Patent · US Expired

Integrated virtual hub chip

US7352362B2 · kind B2 · utility

0Cited by
9References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 12, 2005
Grant dateApr 1, 2008
Priority date
Expiry dateMay 24, 2026

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F13/4027
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

An apparatus that includes a serial port configured to interface with a separate host, one serial interface engine (SIE) connected to the serial port, and at least a first interface unit and a second interface unit connected to the one serial interface engine. In one embodiment, the apparatus includes a virtual hub comprising a firmware unit configured to emulate a hub having multiple ports. In another alternative embodiment, the apparatus is a Universal Serial Bus (USB) peripheral and the serial port is a Universal Serial Bus port. In another alternative embodiment, apparatus is housed within a keyboard.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.